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Hydraulic hammers hydraulically driven impactor

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Rotary cutter head with advance direction coincident or...
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Hydraulic jet cutting tool and method

Mining or in situ disintegration of hard material – Processes – Breaking down by direct contact with fluid
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Hydraulic method of mining coal

Mining or in situ disintegration of hard material – Processes
Patent

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Hydraulic mining and transportation of coal using hot oil under

Mining or in situ disintegration of hard material – Processes – Directly applying heat or vibration
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Hydraulic mining apparatus and method

Mining or in situ disintegration of hard material – Processes – Breaking down by direct contact with fluid
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Hydraulic mining from tunnel by reciprocated pipes

Mining or in situ disintegration of hard material – Tunnel recovery of fluid material
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Hydraulic mining method

Mining or in situ disintegration of hard material – Processes – Breaking down by direct contact with fluid
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Hydraulic mining of oil bearing formation

Mining or in situ disintegration of hard material – Tunnel recovery of fluid material
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Hydraulic mining of tar sands with submerged jet erosion

Mining or in situ disintegration of hard material – With separation of materials
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Hydraulic mining technique for recovering bitumen from tar sand

Mining or in situ disintegration of hard material – In situ conversion of solid to fluid – Dissolving or chemical reaction
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Hydraulic mining tool apparatus

Mining or in situ disintegration of hard material – Hard material disintegrating machines – With material-handling means
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Hydraulic muck handling system for tunnel boring machine

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Rotary cutter head with advance direction coincident or...
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Hydraulic positioning system

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Floor-working
Reexamination Certificate

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Hydraulic power supply vehicle for concrete cutting and boring t

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Floor-working
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Hydraulic rock breaking tool

Mining or in situ disintegration of hard material – Expansible breaking-down devices – Fluid-pressed element
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Hydraulic rock splitter

Mining or in situ disintegration of hard material – Expansible breaking-down devices – Fluid-pressed element
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Hydraulic scroll auger mining system and method of using the...

Mining or in situ disintegration of hard material – Processes – Breaking down by direct contact with fluid
Reexamination Certificate

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Hydraulic-mechanical coal mining combine

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Rotary cutter head with advance direction coincident or...
Patent

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Hydraulically actuated mechanical rock excavator

Mining or in situ disintegration of hard material – Expansible breaking-down devices – Fluid-pressed element
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Hydraulically actuated tool for mechanically splitting rock-like

Mining or in situ disintegration of hard material – Expansible breaking-down devices – Fluid-pressed element
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